#644DAA#644DAA

#644DAA is a mid, vivid violet. Relative luminance 0.109; OKLCH L 49.1% C 0.143 H 291.6°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#644DAA
RGB	rgb(100, 77, 170)
HSL	hsl(255, 38%, 48%)
HSV	hsv(255, 55%, 67%)
CMYK	cmyk(41.2%, 54.7%, 0%, 33.3%)
CIE-LAB	lab(39.44, 32.20, -46.84)
CIE-LCH	lch(39.44, 56.84, 304.50°)
OKLab	oklab(49.13% 0.0528 -0.1331)
OKLCH	oklch(49.13% 0.143 291.6)
XYZ	xyz(15.1631, 10.9189, 39.3311)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DAA #93AA4D

analogous

#4D64AA #644DAA #924DAA

triadic

#644DAA #AA644D #4DAA64

tetradic

#644DAA #AA4D64 #93AA4D #4DAA92

square

#644DAA #AA4D64 #93AA4D #4DAA92

split-complementary

#644DAA #AA924D #64AA4D

monochromatic

#322756 #4B3A80 #644DAA #8774C0 #AB9ED3

Accessibility & contrast

On white

6.60

#644DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#644DAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DAA

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DAA	#FFFFFF	#000000	##FFFFFF
##644DAA	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215EAD

Deuteranopia (green-blind)

#265BA8

Tritanopia (blue-blind)

#516174

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644daa;
/* rgb */ color: rgb(100, 77, 170);
/* oklch */ color: oklch(49.1% 0.143 291.6);

Tailwind

colors: {
  custom: {
    50: '#947fc4',
    500: '#644daa',
    950: '#000000',
  },
}

SCSS

$custom: #644daa;
$custom-light: #947fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#644daa",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 170
  },
  "hsl": {
    "h": 254.839,
    "s": 37.652,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49127,
    "c": 0.14316,
    "h": 291.6
  },
  "luminance": 0.10919
}

Semantic roles & 50–950 ramp

primary

#644DAA

secondary

#B5C093

accent

#CE5AB1

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644DAA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →